Build failed. https://zuul.opendev.org/t/openstack/buildset/c28ebbe5c136427988c2e9e6e94c9806 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9f6f55af2bff4673a26974fd10371897 : SUCCESS in 5m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/73d72171c639498096eec4cc8779435e : FAILURE in 4m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/37fc814614c243b89eac74d0b5f98a53 : SUCCESS in 4m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/57d8f615830949a88dd3edda5cd450fb : SUCCESS in 7m 46s